Peripherals 6
miriac SBC-LS1028A User Manual
V 1.0
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© MicroSys Electronics GmbH 2019
USB2
The following table shows the internal connections:
LS1028A
ST6
ST17 (Top)
Pin
Name
Pin
Signal
Pin
Signal
D6
USB2_VBUS
←
B63
USB2_VBUS
→
1
Vbus+
B8
USB2_D_N
↔
B71
USB2_D_N
2
D-
A7
USB2_D_P
↔
B72
USB2_D_P
3
D+
4
GND
B2
USB2_SSRX_P
←
B69
USB2_SSRX_P
→
5
SSRX-
A3
USB2_SSRX_N
←
B68
USB2_SSRX_N
→
6
SSRX+
7
GND
B6
USB2_SSTX_N
→
B65
USB2_SSTX_N
←
8
SSTX-
A5
USB2_SSTX_P
→
B66
USB2_SSTX_P
←
9
SSTX+
J28
Pin
Signal
H16
I2C6_SDA /
USB2_DRVVBUS
→
B17
I2C6_SDA /
USB2_DRVVBUS
←
4
ENABLE
F16
I2C6_SCL /
USB2_PWRFAULT
←
B18
I2C6_SCL /
USB2_PWRFAULT
→
3
FAULT#
E5
USB2_ID
←
B62
USB2-UID
G
ND
←
Table 6-15 USB Host-Only Port 2 pin assignment
By means of J28 USB port 2 can be individually enabled and returns a separate
over-current signal.
USB2_PWRFAULT is a high-active signal. A logic high level signals the port is in an
over-current situation
Figure 6-6 USB2 topology